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The effective pitch of a fixed-pitch prop, in inches, is
TAS, mph, times 1056 divided by rpm. Use this at several speeds to get an
idea of your EP. Your prop, depending on its area, will be running a CL of about
0.3 to 0.6. , or an AOA of about 3 deg. to 5 deg relative to the zero-lift
alpha. then from this, calculate the rpm you would need in a glide at your
best glide speed
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